Materials Literature
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The availability of natural fibers with their high performance and low cost contributes to a healthy ecosystem and fulfills the economic interests of the society. Sisal fiber, which is easily cultivated, is one of the most widely used natural fibers. For the present studies, characterisation of locally available sisal…
The pH-responsive delivery of an anti-cancer drug, MX, has been successfully achieved by varying the strength of the electrostatic interaction between the negatively charged silicate and positively charged MX, using MSN.
In vivo upconversion luminescence (UCL) imaging, exhibiting favorable characteristics such as high photostability, no blinking, sharp emission lines, and long lifetimes, is recognized as the excellent and significant photoluminescence imaging for the future. To develop the imaging system with high visual sensitivity a…
Meso- and microporous melamine resins were synthesized via hard-templating of silica nanoparticles. The porous structure was characterized by X-ray scattering, gas sorption methods and electron microscopy. Ultramicroporosity was proven in CO2-sorption measurements. Porosities up to 61% and surface areas up to 250 m2 g…
Superior strain-responsive graphene sheets with load tolerance have been demonstrated, which have the maximum available strain response of up to 0.85%, four times higher than that for carbon nanotube based actuators. The high strain response plus the capability for loading makes the graphene promising as building bloc…
Peptide hydrogels are considered injectable materials for drug delivery and tissue engineering applications. Most published hydrogel-forming sequences contain either alternating-charged and non-charged residues or amphiphilic blocks. Here, we report a self-assembling peptide, h9e (FLIVIGSIIGPGGDGPGGD), designed by rat…
We describe a versatile and convenient visible detection method for organophosphorus compounds based on a colorless 'pro-photoresponsive' organic molecule that undergoes photochemical ring-closing to produce a colored isomer only after it reacts with vapors of the phosphorylating agent.
PbS thin films are good materials for antireflection coatings and for solar thermal applications in flat-plat collectors, house heating for solar chick brooding, etc. Nanocrystalline PbS thin films were deposited on glass substrates with various deposition times using chemical bath deposition technique. The study was…
Mitigating fuel starvation and improving load-following capability of solid oxide fuel cells (SOFC) are conflicting control objectives. In this paper, we address this issue using a hybrid SOFC ultracapacitor configuration. Fuel starvation is prevented by regulating the fuel cell current using a steady-state invariant…
Covalent bond-forming reactions can be used to tailor the properties of graphene, aiming at electronic band structure engineering and surface functionalization. We present a novel and easy method for the production of chemically modified monolayer graphene based on the electrochemical intercalation of graphite, that c…
A novel and highly sensitive immunoassay method based on surface enhanced Raman spectroscopy (SERS) and magnetic particles has been developed. This method exhibits great potential application in bio-separation and immunoassay.
The kinetics of chain exchange between diblock copolymer micelles in solution at equilibrium were studied by dissipative particle dynamics simulation. We performed hybridization simulations for A2B3 or A4Bx (x = 4, 6, 8) micelle solutions in which approximately half of all micelles and free chains were initially color…
A degradable polymer was prepared from α-angelica lactone, a five-membered unsaturated lactone, by ring-opening polymerization.
Laser cladding with Al-Si powders have been carried out on three different magnesium alloys (AZ61, ZK30 and WE54) in order to improve their wear and corrosion properties using Nd:YAG CW laser. Optimized parameters allow obtaining crack and pore free coatings with good metallurgical bonding. Special care in shielding a…
Self-assembly can happen to particles at all length scales, including atomic, nano-, meso- and macro-particles. Although widely used in nanoresearch, many nano-structures reported in the literature are not self-assembled, posing some fundamental questions. This paper will briefly review this topic, answering the follo…
Silicon carbide (SiC) nanorods were synthesised by reacting multi-walled carbon nanotubes (CNTs) with Si particles in a NaCl–NaF binary salt for 4 h at 1100–1200 °C in Ar. Reaction products were analysed by a combination of X-ray diffraction (XRD) and transmission electron microscopy (TEM), including aberration correc…
The apple by its nature as perishable food of climacteric type implies that even under refrigerated conditions, the fruit spoils quickly by its very nature of breathing and similarly are attacked by microorganisms of different types that make is the fruit spoil even faster so in the present investigation be worked wit…
Herein we combine in a novel way the physical effect of porous structure of a cellulosic aerogel with the chemical effect of long alkyl tails by a well known homogeneous green esterification method, to achieve purely bio-based and highly water repellent cellulosic materials. As an alternative for a traditional fluoro…
In this study, chitosan and gelatin solutions were blended at five different ratios. Samples were fed into electrospinning apparatus to produce non-woven nanofibrous mats. Scanning electron microscopy (SEM) showed that the low-viscosity sample with 30% chitosan and 70% gelatin (sample 30/70) formed the least amount of…
Bifunctional magnetic–optical Fe3O4@SiO2@Y2O3 : Yb3+,Er3+ near-infrared-to-visible up-conversion nanoparticles (UCNPs) with core–shell structures have been successfully fabricated by a facile layer-by-layer method. The presented materials were characterized by XRD, FTIR, TEM, fluorescence spectrophotometer, NMR Analyz…